Cisco Security has detected significant activity related to spam e-mail messages that claim to contain a purchase order confirmation for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the details. However, the .zip
attachment contains a malicious .scr
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID4824) may contain the following files:
The NEW BB30.scr
file in the NEW BB30.zip
attachment has a file size of 356,864 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xD0989372FA87564230A4CE168811EE96
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Purchase Order No.5879654
We will confirm payment tomorrow upon receipt of P/I
Could you please confirm your delivery time schedule
Kindly check the attached purchase order and arrange to despatch the
materials as soon as possible.
Take action with respect to the consolidation of the purchase order
and address the P/I including FOB, MOQ.
Cisco Security analysts examine real-world e-mail traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global e-mail security threats and trends. Cisco will continue to monitor this threat and automatically adapt IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort Virus Outbreak Filters protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. E-mail that is managed by Cisco and end users who are protected by Cisco IronPort web security appliances will not be impacted by these attacks. Cisco IronPort appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
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